Foresight News reports that $BTC infrastructure protocol Echo has launched the Neko Odyssey airdrop event (from May 19 to June 20) to promote the application of $BTC assets in DeFi. The event is divided into the "main core mission" Neko Treasury (deposit $BTC assets to earn 4x Echo points and 6.6% APY APT rewards) and the "daily mission" Neko Life (social and daily tasks). Echo has minted over 3,000 $BTC tokens, and with the launch of the Solana treasury today, an additional 500 $BTC deposits will be added, bringing the TVL to reach 350 million USD. Additionally, according to official data, its daily active addresses have ranked first in the Aptos ecosystem.